core: fix pretest

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.1.16",
+    "version": "3.1.17",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/handler/problem.ts

@@ -388,7 +388,7 @@ export class ProblemSubmitHandler extends ProblemDetailHandler {
         if (this.response.body.pdoc.config?.langs && !this.response.body.pdoc.config.langs.includes(lang)) {
             throw new BadRequestError('Language not allowed.');
         }
-        if (pretest && this.response.body.pdoc.config?.type !== 'default') throw new BadRequestError('unable to run pretest');
+        if (pretest && !['default', 'fileio'].includes(this.response.body.pdoc.config?.type)) throw new BadRequestError('unable to run pretest');
         await this.limitRate('add_record', 60, system.get('limit.submission'));
         const rid = await record.add(domainId, this.pdoc.docId, this.user._id, lang, code, true, pretest ? input : tid, !pretest);
         const rdoc = await record.get(domainId, rid);